The endgame is complicated, but Black is no longer worse.
23. g1f1 An almost lethal repositioning. The queen keeps an eye on the two knights, one of which can be a target after c2-c3 and the other can be captured by the rook or even the queen, as we will see shortly. 23... c4d6 The only defense. 24. c2c3  24... b4c4  25. f1c4 